Home / 14,012,620.20-21,018,930.30-8,249,437.80

Finding the Fourth Proportional to 14,012,620.20, 21,018,930.30 and 8,249,437.80

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Solution

The fourth proportional to 14,012,620.20, 21,018,930.30 and 8,249,437.80 is: 12,374,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012,620.20 : 21,018,930.30 = 8,249,437.80 : x
  2. Step 2: Convert to fraction form
    14,012,620.20/21,018,930.30 = 8,249,437.80/x
  3. Step 3: Cross multiply
    14,012,620.20x = 21,018,930.30 × 8,249,437.80
  4. Step 4: Simplify right side
    14,012,620.20x = 173,394,358,132,385.34
  5. Step 5: Solve for x
    x = 173,394,358,132,385.34/14,012,620.20
  6. Step 6: Final answer
    x = 12,374,156.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.